Finding the Fourth Proportional to 933,152.78, 1,399,973.61 and 293,430.71

Step by Step Solution

1. Step 1: Write the proportion equation
   933,152.78 : 1,399,973.61 = 293,430.71 : x
2. Step 2: Convert to fraction form
   933,152.78/1,399,973.61 = 293,430.71/x
3. Step 3: Cross multiply
   933,152.78x = 1,399,973.61 × 293,430.71
4. Step 4: Simplify right side
   933,152.78x = 410,795,250,363.56
5. Step 5: Solve for x
   x = 410,795,250,363.56/933,152.78
6. Step 6: Final answer
   x = 440,222.93