Finding the Fourth Proportional to 291,900.91, 437,869.82 and 123,389.82

Step by Step Solution

1. Step 1: Write the proportion equation
   291,900.91 : 437,869.82 = 123,389.82 : x
2. Step 2: Convert to fraction form
   291,900.91/437,869.82 = 123,389.82/x
3. Step 3: Cross multiply
   291,900.91x = 437,869.82 × 123,389.82
4. Step 4: Simplify right side
   291,900.91x = 54,028,677,656.28
5. Step 5: Solve for x
   x = 54,028,677,656.28/291,900.91
6. Step 6: Final answer
   x = 185,092.53