Finding the Fourth Proportional to 56,153.02, 77,491.18 and 31,002.52

Step by Step Solution

1. Step 1: Write the proportion equation
   56,153.02 : 77,491.18 = 31,002.52 : x
2. Step 2: Convert to fraction form
   56,153.02/77,491.18 = 31,002.52/x
3. Step 3: Cross multiply
   56,153.02x = 77,491.18 × 31,002.52
4. Step 4: Simplify right side
   56,153.02x = 2,402,421,857.77
5. Step 5: Solve for x
   x = 2,402,421,857.77/56,153.02
6. Step 6: Final answer
   x = 42,783.48