Finding the Fourth Proportional to 61,985.52, 93,315.52 and 56,474.28

Step by Step Solution

1. Step 1: Write the proportion equation
   61,985.52 : 93,315.52 = 56,474.28 : x
2. Step 2: Convert to fraction form
   61,985.52/93,315.52 = 56,474.28/x
3. Step 3: Cross multiply
   61,985.52x = 93,315.52 × 56,474.28
4. Step 4: Simplify right side
   61,985.52x = 5,269,926,804.83
5. Step 5: Solve for x
   x = 5,269,926,804.83/61,985.52
6. Step 6: Final answer
   x = 85,018.68