Finding the Fourth Proportional to 1,066,384.89, 1,599,580.37 and 308,288.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066,384.89 : 1,599,580.37 = 308,288.07 : x
2. Step 2: Convert to fraction form
   1,066,384.89/1,599,580.37 = 308,288.07/x
3. Step 3: Cross multiply
   1,066,384.89x = 1,599,580.37 × 308,288.07
4. Step 4: Simplify right side
   1,066,384.89x = 493,131,545,077.19
5. Step 5: Solve for x
   x = 493,131,545,077.19/1,066,384.89
6. Step 6: Final answer
   x = 462,432.98