Finding the Fourth Proportional to 127,078.72, 175,374.36 and 70,490.08

Step by Step Solution

1. Step 1: Write the proportion equation
   127,078.72 : 175,374.36 = 70,490.08 : x
2. Step 2: Convert to fraction form
   127,078.72/175,374.36 = 70,490.08/x
3. Step 3: Cross multiply
   127,078.72x = 175,374.36 × 70,490.08
4. Step 4: Simplify right side
   127,078.72x = 12,362,152,666.35
5. Step 5: Solve for x
   x = 12,362,152,666.35/127,078.72
6. Step 6: Final answer
   x = 97,279.49