Finding the Fourth Proportional to 2,238,981.46, 3,089,795.30 and 1,272,113.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238,981.46 : 3,089,795.30 = 1,272,113.02 : x
2. Step 2: Convert to fraction form
   2,238,981.46/3,089,795.30 = 1,272,113.02/x
3. Step 3: Cross multiply
   2,238,981.46x = 3,089,795.30 × 1,272,113.02
4. Step 4: Simplify right side
   2,238,981.46x = 3,930,568,830,264.81
5. Step 5: Solve for x
   x = 3,930,568,830,264.81/2,238,981.46
6. Step 6: Final answer
   x = 1,755,516.47