Finding the Fourth Proportional to 65,155.78, 97,631.61 and 52,004.62

Step by Step Solution

1. Step 1: Write the proportion equation
   65,155.78 : 97,631.61 = 52,004.62 : x
2. Step 2: Convert to fraction form
   65,155.78/97,631.61 = 52,004.62/x
3. Step 3: Cross multiply
   65,155.78x = 97,631.61 × 52,004.62
4. Step 4: Simplify right side
   65,155.78x = 5,077,294,778.04
5. Step 5: Solve for x
   x = 5,077,294,778.04/65,155.78
6. Step 6: Final answer
   x = 77,925.47