Finding the Fourth Proportional to 78,053,925.78, 117,249,834.42 and 50,746,174.38

Step by Step Solution

1. Step 1: Write the proportion equation
   78,053,925.78 : 117,249,834.42 = 50,746,174.38 : x
2. Step 2: Convert to fraction form
   78,053,925.78/117,249,834.42 = 50,746,174.38/x
3. Step 3: Cross multiply
   78,053,925.78x = 117,249,834.42 × 50,746,174.38
4. Step 4: Simplify right side
   78,053,925.78x = 5,949,980,543,503,447
5. Step 5: Solve for x
   x = 5,949,980,543,503,447/78,053,925.78
6. Step 6: Final answer
   x = 76,229,100.38