Finding the Fourth Proportional to 115,074,115.31, 172,679,273.89 and 42,341,971.95

Step by Step Solution

1. Step 1: Write the proportion equation
   115,074,115.31 : 172,679,273.89 = 42,341,971.95 : x
2. Step 2: Convert to fraction form
   115,074,115.31/172,679,273.89 = 42,341,971.95/x
3. Step 3: Cross multiply
   115,074,115.31x = 172,679,273.89 × 42,341,971.95
4. Step 4: Simplify right side
   115,074,115.31x = 7,311,580,971,290,892
5. Step 5: Solve for x
   x = 7,311,580,971,290,892/115,074,115.31
6. Step 6: Final answer
   x = 63,538,015.93