Finding the Fourth Proportional to 61,185.78, 84,436.83 and 34,328.61

Step by Step Solution

1. Step 1: Write the proportion equation
   61,185.78 : 84,436.83 = 34,328.61 : x
2. Step 2: Convert to fraction form
   61,185.78/84,436.83 = 34,328.61/x
3. Step 3: Cross multiply
   61,185.78x = 84,436.83 × 34,328.61
4. Step 4: Simplify right side
   61,185.78x = 2,898,599,006.71
5. Step 5: Solve for x
   x = 2,898,599,006.71/61,185.78
6. Step 6: Final answer
   x = 47,373.74