Finding the Fourth Proportional to 61,567.31, 84,792.98 and 53,066.30

Step by Step Solution

1. Step 1: Write the proportion equation
   61,567.31 : 84,792.98 = 53,066.30 : x
2. Step 2: Convert to fraction form
   61,567.31/84,792.98 = 53,066.30/x
3. Step 3: Cross multiply
   61,567.31x = 84,792.98 × 53,066.30
4. Step 4: Simplify right side
   61,567.31x = 4,499,649,423.27
5. Step 5: Solve for x
   x = 4,499,649,423.27/61,567.31
6. Step 6: Final answer
   x = 73,085.04