Finding the Fourth Proportional to 123,622,480.52, 185,429,145 and 49,878,152.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,622,480.52 : 185,429,145 = 49,878,152.72 : x
2. Step 2: Convert to fraction form
   123,622,480.52/185,429,145 = 49,878,152.72/x
3. Step 3: Cross multiply
   123,622,480.52x = 185,429,145 × 49,878,152.72
4. Step 4: Simplify right side
   123,622,480.52x = 9,248,863,213,049,024
5. Step 5: Solve for x
   x = 9,248,863,213,049,024/123,622,480.52
6. Step 6: Final answer
   x = 74,815,382.88