Finding the Fourth Proportional to 83,984.61, 115,846.68 and 49,970.10

Step by Step Solution

1. Step 1: Write the proportion equation
   83,984.61 : 115,846.68 = 49,970.10 : x
2. Step 2: Convert to fraction form
   83,984.61/115,846.68 = 49,970.10/x
3. Step 3: Cross multiply
   83,984.61x = 115,846.68 × 49,970.10
4. Step 4: Simplify right side
   83,984.61x = 5,788,870,184.27
5. Step 5: Solve for x
   x = 5,788,870,184.27/83,984.61
6. Step 6: Final answer
   x = 68,927.75