Finding the Fourth Proportional to 10,062,128.07, 13,885,433.37 and 5,591,667.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,062,128.07 : 13,885,433.37 = 5,591,667.87 : x
2. Step 2: Convert to fraction form
   10,062,128.07/13,885,433.37 = 5,591,667.87/x
3. Step 3: Cross multiply
   10,062,128.07x = 13,885,433.37 × 5,591,667.87
4. Step 4: Simplify right side
   10,062,128.07x = 77,642,731,636,054.81
5. Step 5: Solve for x
   x = 77,642,731,636,054.81/10,062,128.07
6. Step 6: Final answer
   x = 7,716,333.08