Finding the Fourth Proportional to 57,061.18, 85,533.45 and 19,610.02

Step by Step Solution

1. Step 1: Write the proportion equation
   57,061.18 : 85,533.45 = 19,610.02 : x
2. Step 2: Convert to fraction form
   57,061.18/85,533.45 = 19,610.02/x
3. Step 3: Cross multiply
   57,061.18x = 85,533.45 × 19,610.02
4. Step 4: Simplify right side
   57,061.18x = 1,677,312,665.17
5. Step 5: Solve for x
   x = 1,677,312,665.17/57,061.18
6. Step 6: Final answer
   x = 29,394.99