Finding the Fourth Proportional to 237,428,111.43, 356,175,972.72 and 73,680,018.48

Step by Step Solution

1. Step 1: Write the proportion equation
   237,428,111.43 : 356,175,972.72 = 73,680,018.48 : x
2. Step 2: Convert to fraction form
   237,428,111.43/356,175,972.72 = 73,680,018.48/x
3. Step 3: Cross multiply
   237,428,111.43x = 356,175,972.72 × 73,680,018.48
4. Step 4: Simplify right side
   237,428,111.43x = 26,243,052,252,141,580
5. Step 5: Solve for x
   x = 26,243,052,252,141,580/237,428,111.43
6. Step 6: Final answer
   x = 110,530,518.45