Finding the Fourth Proportional to 61,499.79, 84,870 and 34,642.62

Step by Step Solution

1. Step 1: Write the proportion equation
   61,499.79 : 84,870 = 34,642.62 : x
2. Step 2: Convert to fraction form
   61,499.79/84,870 = 34,642.62/x
3. Step 3: Cross multiply
   61,499.79x = 84,870 × 34,642.62
4. Step 4: Simplify right side
   61,499.79x = 2,940,119,159.40
5. Step 5: Solve for x
   x = 2,940,119,159.40/61,499.79
6. Step 6: Final answer
   x = 47,806.98