Finding the Fourth Proportional to 56,537, 78,017.12 and 31,384.52

Step by Step Solution

1. Step 1: Write the proportion equation
   56,537 : 78,017.12 = 31,384.52 : x
2. Step 2: Convert to fraction form
   56,537/78,017.12 = 31,384.52/x
3. Step 3: Cross multiply
   56,537x = 78,017.12 × 31,384.52
4. Step 4: Simplify right side
   56,537x = 2,448,529,862.98
5. Step 5: Solve for x
   x = 2,448,529,862.98/56,537
6. Step 6: Final answer
   x = 43,308.45