Finding the Fourth Proportional to 115,698,659.32, 159,663,711.72 and 63,488,568.52

Step by Step Solution

1. Step 1: Write the proportion equation
   115,698,659.32 : 159,663,711.72 = 63,488,568.52 : x
2. Step 2: Convert to fraction form
   115,698,659.32/159,663,711.72 = 63,488,568.52/x
3. Step 3: Cross multiply
   115,698,659.32x = 159,663,711.72 × 63,488,568.52
4. Step 4: Simplify right side
   115,698,659.32x = 10,136,820,501,692,748
5. Step 5: Solve for x
   x = 10,136,820,501,692,748/115,698,659.32
6. Step 6: Final answer
   x = 87,613,984.13