Finding the Fourth Proportional to 99,036, 136,669.91 and 56,594.43

Step by Step Solution

1. Step 1: Write the proportion equation
   99,036 : 136,669.91 = 56,594.43 : x
2. Step 2: Convert to fraction form
   99,036/136,669.91 = 56,594.43/x
3. Step 3: Cross multiply
   99,036x = 136,669.91 × 56,594.43
4. Step 4: Simplify right side
   99,036x = 7,734,755,371.63
5. Step 5: Solve for x
   x = 7,734,755,371.63/99,036
6. Step 6: Final answer
   x = 78,100.44