Finding the Fourth Proportional to 1,054,518.72, 1,582,047.84 and 306,564.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,054,518.72 : 1,582,047.84 = 306,564.72 : x
2. Step 2: Convert to fraction form
   1,054,518.72/1,582,047.84 = 306,564.72/x
3. Step 3: Cross multiply
   1,054,518.72x = 1,582,047.84 × 306,564.72
4. Step 4: Simplify right side
   1,054,518.72x = 485,000,053,096.21
5. Step 5: Solve for x
   x = 485,000,053,096.21/1,054,518.72
6. Step 6: Final answer
   x = 459,925.50