Finding the Fourth Proportional to 65,103,202.18, 89,916,983.72 and 42,875,550.91

Step by Step Solution

1. Step 1: Write the proportion equation
   65,103,202.18 : 89,916,983.72 = 42,875,550.91 : x
2. Step 2: Convert to fraction form
   65,103,202.18/89,916,983.72 = 42,875,550.91/x
3. Step 3: Cross multiply
   65,103,202.18x = 89,916,983.72 × 42,875,550.91
4. Step 4: Simplify right side
   65,103,202.18x = 3,855,240,212,946,123.50
5. Step 5: Solve for x
   x = 3,855,240,212,946,123.50/65,103,202.18
6. Step 6: Final answer
   x = 59,217,366.95