Finding the Fourth Proportional to 42,833,550.98, 64,273,900.72 and 18,572,664.26

Step by Step Solution

1. Step 1: Write the proportion equation
   42,833,550.98 : 64,273,900.72 = 18,572,664.26 : x
2. Step 2: Convert to fraction form
   42,833,550.98/64,273,900.72 = 18,572,664.26/x
3. Step 3: Cross multiply
   42,833,550.98x = 64,273,900.72 × 18,572,664.26
4. Step 4: Simplify right side
   42,833,550.98x = 1,193,737,578,753,132.25
5. Step 5: Solve for x
   x = 1,193,737,578,753,132.25/42,833,550.98
6. Step 6: Final answer
   x = 27,869,218.20