Finding the Fourth Proportional to 57,572.61, 86,452.70 and 35,526.12

Step by Step Solution

1. Step 1: Write the proportion equation
   57,572.61 : 86,452.70 = 35,526.12 : x
2. Step 2: Convert to fraction form
   57,572.61/86,452.70 = 35,526.12/x
3. Step 3: Cross multiply
   57,572.61x = 86,452.70 × 35,526.12
4. Step 4: Simplify right side
   57,572.61x = 3,071,328,816.89
5. Step 5: Solve for x
   x = 3,071,328,816.89/57,572.61
6. Step 6: Final answer
   x = 53,347.05