Finding the Fourth Proportional to 56,349, 84,491.88 and 38,599.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,349 : 84,491.88 = 38,599.72 : x
2. Step 2: Convert to fraction form
   56,349/84,491.88 = 38,599.72/x
3. Step 3: Cross multiply
   56,349x = 84,491.88 × 38,599.72
4. Step 4: Simplify right side
   56,349x = 3,261,362,910.27
5. Step 5: Solve for x
   x = 3,261,362,910.27/56,349
6. Step 6: Final answer
   x = 57,877.92