Finding the Fourth Proportional to 1,938,111.60, 2,674,567.35 and 1,078,671.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,938,111.60 : 2,674,567.35 = 1,078,671.72 : x
2. Step 2: Convert to fraction form
   1,938,111.60/2,674,567.35 = 1,078,671.72/x
3. Step 3: Cross multiply
   1,938,111.60x = 2,674,567.35 × 1,078,671.72
4. Step 4: Simplify right side
   1,938,111.60x = 2,884,980,163,680.34
5. Step 5: Solve for x
   x = 2,884,980,163,680.34/1,938,111.60
6. Step 6: Final answer
   x = 1,488,552.14