Finding the Fourth Proportional to 56,341.55, 84,387.74 and 38,530.00

Step by Step Solution

1. Step 1: Write the proportion equation
   56,341.55 : 84,387.74 = 38,530.00 : x
2. Step 2: Convert to fraction form
   56,341.55/84,387.74 = 38,530.00/x
3. Step 3: Cross multiply
   56,341.55x = 84,387.74 × 38,530.00
4. Step 4: Simplify right side
   56,341.55x = 3,251,459,200.26
5. Step 5: Solve for x
   x = 3,251,459,200.26/56,341.55
6. Step 6: Final answer
   x = 57,709.80