Finding the Fourth Proportional to 114,515, 158,031.10 and 63,528.74

Step by Step Solution

1. Step 1: Write the proportion equation
   114,515 : 158,031.10 = 63,528.74 : x
2. Step 2: Convert to fraction form
   114,515/158,031.10 = 63,528.74/x
3. Step 3: Cross multiply
   114,515x = 158,031.10 × 63,528.74
4. Step 4: Simplify right side
   114,515x = 10,039,516,663.81
5. Step 5: Solve for x
   x = 10,039,516,663.81/114,515
6. Step 6: Final answer
   x = 87,669.88