Finding the Fourth Proportional to 22,480,266.72, 31,023,520.32 and 13,776,758.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,480,266.72 : 31,023,520.32 = 13,776,758.50 : x
2. Step 2: Convert to fraction form
   22,480,266.72/31,023,520.32 = 13,776,758.50/x
3. Step 3: Cross multiply
   22,480,266.72x = 31,023,520.32 × 13,776,758.50
4. Step 4: Simplify right side
   22,480,266.72x = 427,403,547,268,482.75
5. Step 5: Solve for x
   x = 427,403,547,268,482.75/22,480,266.72
6. Step 6: Final answer
   x = 19,012,387.74