Finding the Fourth Proportional to 2,653,100.60, 3,980,492.18 and 947,207.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,653,100.60 : 3,980,492.18 = 947,207.32 : x
2. Step 2: Convert to fraction form
   2,653,100.60/3,980,492.18 = 947,207.32/x
3. Step 3: Cross multiply
   2,653,100.60x = 3,980,492.18 × 947,207.32
4. Step 4: Simplify right side
   2,653,100.60x = 3,770,351,330,098.76
5. Step 5: Solve for x
   x = 3,770,351,330,098.76/2,653,100.60
6. Step 6: Final answer
   x = 1,421,111.33