Finding the Fourth Proportional to 76,662,491.78, 105,793,685.46 and 41,855,182.13

Step by Step Solution

1. Step 1: Write the proportion equation
   76,662,491.78 : 105,793,685.46 = 41,855,182.13 : x
2. Step 2: Convert to fraction form
   76,662,491.78/105,793,685.46 = 41,855,182.13/x
3. Step 3: Cross multiply
   76,662,491.78x = 105,793,685.46 × 41,855,182.13
4. Step 4: Simplify right side
   76,662,491.78x = 4,428,013,972,603,264
5. Step 5: Solve for x
   x = 4,428,013,972,603,264/76,662,491.78
6. Step 6: Final answer
   x = 57,759,849.31