Finding the Fourth Proportional to 75,123.04, 112,606.68 and 46,978.50

Step by Step Solution

1. Step 1: Write the proportion equation
   75,123.04 : 112,606.68 = 46,978.50 : x
2. Step 2: Convert to fraction form
   75,123.04/112,606.68 = 46,978.50/x
3. Step 3: Cross multiply
   75,123.04x = 112,606.68 × 46,978.50
4. Step 4: Simplify right side
   75,123.04x = 5,290,092,916.38
5. Step 5: Solve for x
   x = 5,290,092,916.38/75,123.04
6. Step 6: Final answer
   x = 70,419.05