Finding the Fourth Proportional to 78,948.53, 108,948.99 and 42,649.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,948.53 : 108,948.99 = 42,649.98 : x
2. Step 2: Convert to fraction form
   78,948.53/108,948.99 = 42,649.98/x
3. Step 3: Cross multiply
   78,948.53x = 108,948.99 × 42,649.98
4. Step 4: Simplify right side
   78,948.53x = 4,646,672,244.52
5. Step 5: Solve for x
   x = 4,646,672,244.52/78,948.53
6. Step 6: Final answer
   x = 58,856.99