Finding the Fourth Proportional to 82,303.30, 123,219.68 and 61,340.91

Step by Step Solution

1. Step 1: Write the proportion equation
   82,303.30 : 123,219.68 = 61,340.91 : x
2. Step 2: Convert to fraction form
   82,303.30/123,219.68 = 61,340.91/x
3. Step 3: Cross multiply
   82,303.30x = 123,219.68 × 61,340.91
4. Step 4: Simplify right side
   82,303.30x = 7,558,407,050.65
5. Step 5: Solve for x
   x = 7,558,407,050.65/82,303.30
6. Step 6: Final answer
   x = 91,836.01