Finding the Fourth Proportional to 13,507,564,968.05, 18,640,441,422.86 and 7,486,459,096.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,507,564,968.05 : 18,640,441,422.86 = 7,486,459,096.86 : x
2. Step 2: Convert to fraction form
   13,507,564,968.05/18,640,441,422.86 = 7,486,459,096.86/x
3. Step 3: Cross multiply
   13,507,564,968.05x = 18,640,441,422.86 × 7,486,459,096.86
4. Step 4: Simplify right side
   13,507,564,968.05x = 139,550,902,259,618,758,656
5. Step 5: Solve for x
   x = 139,550,902,259,618,758,656/13,507,564,968.05
6. Step 6: Final answer
   x = 10,331,314,532.99