Finding the Fourth Proportional to 102,215,256.28, 141,035,496.78 and 65,032,109.08

Step by Step Solution

1. Step 1: Write the proportion equation
   102,215,256.28 : 141,035,496.78 = 65,032,109.08 : x
2. Step 2: Convert to fraction form
   102,215,256.28/141,035,496.78 = 65,032,109.08/x
3. Step 3: Cross multiply
   102,215,256.28x = 141,035,496.78 × 65,032,109.08
4. Step 4: Simplify right side
   102,215,256.28x = 9,171,835,810,748,948
5. Step 5: Solve for x
   x = 9,171,835,810,748,948/102,215,256.28
6. Step 6: Final answer
   x = 89,730,595.46