Finding the Fourth Proportional to 56,520.99, 78,009.78 and 37,401.14

Step by Step Solution

1. Step 1: Write the proportion equation
   56,520.99 : 78,009.78 = 37,401.14 : x
2. Step 2: Convert to fraction form
   56,520.99/78,009.78 = 37,401.14/x
3. Step 3: Cross multiply
   56,520.99x = 78,009.78 × 37,401.14
4. Step 4: Simplify right side
   56,520.99x = 2,917,655,038.43
5. Step 5: Solve for x
   x = 2,917,655,038.43/56,520.99
6. Step 6: Final answer
   x = 51,620.73