Finding the Fourth Proportional to 131,885,482.72, 181,791,744.24 and 103,962,687.52

Step by Step Solution

1. Step 1: Write the proportion equation
   131,885,482.72 : 181,791,744.24 = 103,962,687.52 : x
2. Step 2: Convert to fraction form
   131,885,482.72/181,791,744.24 = 103,962,687.52/x
3. Step 3: Cross multiply
   131,885,482.72x = 181,791,744.24 × 103,962,687.52
4. Step 4: Simplify right side
   131,885,482.72x = 18,899,558,300,138,880
5. Step 5: Solve for x
   x = 18,899,558,300,138,880/131,885,482.72
6. Step 6: Final answer
   x = 143,302,795.05