Finding the Fourth Proportional to 61,827.71, 85,332.89 and 34,978.55

Step by Step Solution

1. Step 1: Write the proportion equation
   61,827.71 : 85,332.89 = 34,978.55 : x
2. Step 2: Convert to fraction form
   61,827.71/85,332.89 = 34,978.55/x
3. Step 3: Cross multiply
   61,827.71x = 85,332.89 × 34,978.55
4. Step 4: Simplify right side
   61,827.71x = 2,984,820,420.29
5. Step 5: Solve for x
   x = 2,984,820,420.29/61,827.71
6. Step 6: Final answer
   x = 48,276.42