Finding the Fourth Proportional to 156,475.98, 234,123.48 and 89,947.44

Step by Step Solution

1. Step 1: Write the proportion equation
   156,475.98 : 234,123.48 = 89,947.44 : x
2. Step 2: Convert to fraction form
   156,475.98/234,123.48 = 89,947.44/x
3. Step 3: Cross multiply
   156,475.98x = 234,123.48 × 89,947.44
4. Step 4: Simplify right side
   156,475.98x = 21,058,807,669.89
5. Step 5: Solve for x
   x = 21,058,807,669.89/156,475.98
6. Step 6: Final answer
   x = 134,581.73