Finding the Fourth Proportional to 140,729,887.47, 211,190,199.59 and 57,746,642.27

Step by Step Solution

1. Step 1: Write the proportion equation
   140,729,887.47 : 211,190,199.59 = 57,746,642.27 : x
2. Step 2: Convert to fraction form
   140,729,887.47/211,190,199.59 = 57,746,642.27/x
3. Step 3: Cross multiply
   140,729,887.47x = 211,190,199.59 × 57,746,642.27
4. Step 4: Simplify right side
   140,729,887.47x = 12,195,524,905,308,948
5. Step 5: Solve for x
   x = 12,195,524,905,308,948/140,729,887.47
6. Step 6: Final answer
   x = 86,659,096.55