Finding the Fourth Proportional to 56,523, 84,619.56 and 42,354.27

Step by Step Solution

1. Step 1: Write the proportion equation
   56,523 : 84,619.56 = 42,354.27 : x
2. Step 2: Convert to fraction form
   56,523/84,619.56 = 42,354.27/x
3. Step 3: Cross multiply
   56,523x = 84,619.56 × 42,354.27
4. Step 4: Simplify right side
   56,523x = 3,583,999,691.52
5. Step 5: Solve for x
   x = 3,583,999,691.52/56,523
6. Step 6: Final answer
   x = 63,407.81