Finding the Fourth Proportional to 1,665,678.76, 2,298,641.87 and 901,730.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,678.76 : 2,298,641.87 = 901,730.50 : x
2. Step 2: Convert to fraction form
   1,665,678.76/2,298,641.87 = 901,730.50/x
3. Step 3: Cross multiply
   1,665,678.76x = 2,298,641.87 × 901,730.50
4. Step 4: Simplify right side
   1,665,678.76x = 2,072,755,478,247.38
5. Step 5: Solve for x
   x = 2,072,755,478,247.38/1,665,678.76
6. Step 6: Final answer
   x = 1,244,390.89