Finding the Fourth Proportional to 70,123.96, 104,978.58 and 42,337.72

Step by Step Solution

1. Step 1: Write the proportion equation
   70,123.96 : 104,978.58 = 42,337.72 : x
2. Step 2: Convert to fraction form
   70,123.96/104,978.58 = 42,337.72/x
3. Step 3: Cross multiply
   70,123.96x = 104,978.58 × 42,337.72
4. Step 4: Simplify right side
   70,123.96x = 4,444,553,726.04
5. Step 5: Solve for x
   x = 4,444,553,726.04/70,123.96
6. Step 6: Final answer
   x = 63,381.39