Finding the Fourth Proportional to 42,456,347.46, 58,571,318.43 and 26,978,128.29

Step by Step Solution

1. Step 1: Write the proportion equation
   42,456,347.46 : 58,571,318.43 = 26,978,128.29 : x
2. Step 2: Convert to fraction form
   42,456,347.46/58,571,318.43 = 26,978,128.29/x
3. Step 3: Cross multiply
   42,456,347.46x = 58,571,318.43 × 26,978,128.29
4. Step 4: Simplify right side
   42,456,347.46x = 1,580,144,542,718,981.25
5. Step 5: Solve for x
   x = 1,580,144,542,718,981.25/42,456,347.46
6. Step 6: Final answer
   x = 37,218,098.99