Finding the Fourth Proportional to 22,781,729.68, 31,438,870.28 and 12,327,746.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,781,729.68 : 31,438,870.28 = 12,327,746.10 : x
2. Step 2: Convert to fraction form
   22,781,729.68/31,438,870.28 = 12,327,746.10/x
3. Step 3: Cross multiply
   22,781,729.68x = 31,438,870.28 × 12,327,746.10
4. Step 4: Simplify right side
   22,781,729.68x = 387,570,410,482,675.94
5. Step 5: Solve for x
   x = 387,570,410,482,675.94/22,781,729.68
6. Step 6: Final answer
   x = 17,012,334.71