Finding the Fourth Proportional to 127,156,212.31, 175,464,799.49 and 76,939,134.33

Step by Step Solution

1. Step 1: Write the proportion equation
   127,156,212.31 : 175,464,799.49 = 76,939,134.33 : x
2. Step 2: Convert to fraction form
   127,156,212.31/175,464,799.49 = 76,939,134.33/x
3. Step 3: Cross multiply
   127,156,212.31x = 175,464,799.49 × 76,939,134.33
4. Step 4: Simplify right side
   127,156,212.31x = 13,500,109,778,147,626
5. Step 5: Solve for x
   x = 13,500,109,778,147,626/127,156,212.31
6. Step 6: Final answer
   x = 106,169,486.59