Finding the Fourth Proportional to 3,445,445.23, 5,167,773.50 and 921,297.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,445,445.23 : 5,167,773.50 = 921,297.31 : x
2. Step 2: Convert to fraction form
   3,445,445.23/5,167,773.50 = 921,297.31/x
3. Step 3: Cross multiply
   3,445,445.23x = 5,167,773.50 × 921,297.31
4. Step 4: Simplify right side
   3,445,445.23x = 4,761,055,806,713.37
5. Step 5: Solve for x
   x = 4,761,055,806,713.37/3,445,445.23
6. Step 6: Final answer
   x = 1,381,840.51