Finding the Fourth Proportional to 65,103,192.18, 89,916,969.78 and 42,875,541

Step by Step Solution

1. Step 1: Write the proportion equation
   65,103,192.18 : 89,916,969.78 = 42,875,541 : x
2. Step 2: Convert to fraction form
   65,103,192.18/89,916,969.78 = 42,875,541/x
3. Step 3: Cross multiply
   65,103,192.18x = 89,916,969.78 × 42,875,541
4. Step 4: Simplify right side
   65,103,192.18x = 3,855,238,724,398,151
5. Step 5: Solve for x
   x = 3,855,238,724,398,151/65,103,192.18
6. Step 6: Final answer
   x = 59,217,353.18