Finding the Fourth Proportional to 61,221.31, 91,796.29 and 23,737.60

Step by Step Solution

1. Step 1: Write the proportion equation
   61,221.31 : 91,796.29 = 23,737.60 : x
2. Step 2: Convert to fraction form
   61,221.31/91,796.29 = 23,737.60/x
3. Step 3: Cross multiply
   61,221.31x = 91,796.29 × 23,737.60
4. Step 4: Simplify right side
   61,221.31x = 2,179,023,035.83
5. Step 5: Solve for x
   x = 2,179,023,035.83/61,221.31
6. Step 6: Final answer
   x = 35,592.56