Finding the Fourth Proportional to 56,505.60, 78,003 and 37,123.92

Step by Step Solution

1. Step 1: Write the proportion equation
   56,505.60 : 78,003 = 37,123.92 : x
2. Step 2: Convert to fraction form
   56,505.60/78,003 = 37,123.92/x
3. Step 3: Cross multiply
   56,505.60x = 78,003 × 37,123.92
4. Step 4: Simplify right side
   56,505.60x = 2,895,777,131.76
5. Step 5: Solve for x
   x = 2,895,777,131.76/56,505.60
6. Step 6: Final answer
   x = 51,247.61