Finding the Fourth Proportional to 194,280,225.52, 291,388,414.56 and 69,757,078.72

Step by Step Solution

1. Step 1: Write the proportion equation
   194,280,225.52 : 291,388,414.56 = 69,757,078.72 : x
2. Step 2: Convert to fraction form
   194,280,225.52/291,388,414.56 = 69,757,078.72/x
3. Step 3: Cross multiply
   194,280,225.52x = 291,388,414.56 × 69,757,078.72
4. Step 4: Simplify right side
   194,280,225.52x = 20,326,404,572,557,912
5. Step 5: Solve for x
   x = 20,326,404,572,557,912/194,280,225.52
6. Step 6: Final answer
   x = 104,624,155.74