Finding the Fourth Proportional to 112,303.40, 154,972.04 and 61,305.98

Step by Step Solution

1. Step 1: Write the proportion equation
   112,303.40 : 154,972.04 = 61,305.98 : x
2. Step 2: Convert to fraction form
   112,303.40/154,972.04 = 61,305.98/x
3. Step 3: Cross multiply
   112,303.40x = 154,972.04 × 61,305.98
4. Step 4: Simplify right side
   112,303.40x = 9,500,712,784.80
5. Step 5: Solve for x
   x = 9,500,712,784.80/112,303.40
6. Step 6: Final answer
   x = 84,598.62