Finding the Fourth Proportional to 3,934,528.72, 5,902,588.64 and 1,660,058.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,934,528.72 : 5,902,588.64 = 1,660,058.72 : x
2. Step 2: Convert to fraction form
   3,934,528.72/5,902,588.64 = 1,660,058.72/x
3. Step 3: Cross multiply
   3,934,528.72x = 5,902,588.64 × 1,660,058.72
4. Step 4: Simplify right side
   3,934,528.72x = 9,798,643,742,404.94
5. Step 5: Solve for x
   x = 9,798,643,742,404.94/3,934,528.72
6. Step 6: Final answer
   x = 2,490,423.74