Finding the Fourth Proportional to 1,407,208.88, 1,940,885.72 and 884,071.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,407,208.88 : 1,940,885.72 = 884,071.60 : x
2. Step 2: Convert to fraction form
   1,407,208.88/1,940,885.72 = 884,071.60/x
3. Step 3: Cross multiply
   1,407,208.88x = 1,940,885.72 × 884,071.60
4. Step 4: Simplify right side
   1,407,208.88x = 1,715,881,943,897.55
5. Step 5: Solve for x
   x = 1,715,881,943,897.55/1,407,208.88
6. Step 6: Final answer
   x = 1,219,351.28