Finding the Fourth Proportional to 85,061.02, 127,638.51 and 35,129.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,061.02 : 127,638.51 = 35,129.50 : x
2. Step 2: Convert to fraction form
   85,061.02/127,638.51 = 35,129.50/x
3. Step 3: Cross multiply
   85,061.02x = 127,638.51 × 35,129.50
4. Step 4: Simplify right side
   85,061.02x = 4,483,877,037.05
5. Step 5: Solve for x
   x = 4,483,877,037.05/85,061.02
6. Step 6: Final answer
   x = 52,713.65