Finding the Fourth Proportional to 1,924,958.72, 2,656,066.56 and 1,209,152

Step by Step Solution

1. Step 1: Write the proportion equation
   1,924,958.72 : 2,656,066.56 = 1,209,152 : x
2. Step 2: Convert to fraction form
   1,924,958.72/2,656,066.56 = 1,209,152/x
3. Step 3: Cross multiply
   1,924,958.72x = 2,656,066.56 × 1,209,152
4. Step 4: Simplify right side
   1,924,958.72x = 3,211,588,193,157.12
5. Step 5: Solve for x
   x = 3,211,588,193,157.12/1,924,958.72
6. Step 6: Final answer
   x = 1,668,393.28