Finding the Fourth Proportional to 104,045.91, 143,582.89 and 56,300.10

Step by Step Solution

1. Step 1: Write the proportion equation
   104,045.91 : 143,582.89 = 56,300.10 : x
2. Step 2: Convert to fraction form
   104,045.91/143,582.89 = 56,300.10/x
3. Step 3: Cross multiply
   104,045.91x = 143,582.89 × 56,300.10
4. Step 4: Simplify right side
   104,045.91x = 8,083,731,065.29
5. Step 5: Solve for x
   x = 8,083,731,065.29/104,045.91
6. Step 6: Final answer
   x = 77,693.89