Finding the Fourth Proportional to 140,907,534.72, 194,369,815.20 and 88,613,623.68

Step by Step Solution

1. Step 1: Write the proportion equation
   140,907,534.72 : 194,369,815.20 = 88,613,623.68 : x
2. Step 2: Convert to fraction form
   140,907,534.72/194,369,815.20 = 88,613,623.68/x
3. Step 3: Cross multiply
   140,907,534.72x = 194,369,815.20 × 88,613,623.68
4. Step 4: Simplify right side
   140,907,534.72x = 17,223,813,658,883,944
5. Step 5: Solve for x
   x = 17,223,813,658,883,944/140,907,534.72
6. Step 6: Final answer
   x = 122,234,866.24