Finding the Fourth Proportional to 78,404.02, 108,187.05 and 46,561.30

Step by Step Solution

1. Step 1: Write the proportion equation
   78,404.02 : 108,187.05 = 46,561.30 : x
2. Step 2: Convert to fraction form
   78,404.02/108,187.05 = 46,561.30/x
3. Step 3: Cross multiply
   78,404.02x = 108,187.05 × 46,561.30
4. Step 4: Simplify right side
   78,404.02x = 5,037,329,691.17
5. Step 5: Solve for x
   x = 5,037,329,691.17/78,404.02
6. Step 6: Final answer
   x = 64,248.36