Finding the Fourth Proportional to 56,597.42, 84,784.05 and 38,784.31

Step by Step Solution

1. Step 1: Write the proportion equation
   56,597.42 : 84,784.05 = 38,784.31 : x
2. Step 2: Convert to fraction form
   56,597.42/84,784.05 = 38,784.31/x
3. Step 3: Cross multiply
   56,597.42x = 84,784.05 × 38,784.31
4. Step 4: Simplify right side
   56,597.42x = 3,288,290,666.30
5. Step 5: Solve for x
   x = 3,288,290,666.30/56,597.42
6. Step 6: Final answer
   x = 58,099.65