Finding the Fourth Proportional to 1,451,109.34, 2,176,713.16 and 386,152.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451,109.34 : 2,176,713.16 = 386,152.43 : x
2. Step 2: Convert to fraction form
   1,451,109.34/2,176,713.16 = 386,152.43/x
3. Step 3: Cross multiply
   1,451,109.34x = 2,176,713.16 × 386,152.43
4. Step 4: Simplify right side
   1,451,109.34x = 840,543,064,298.03
5. Step 5: Solve for x
   x = 840,543,064,298.03/1,451,109.34
6. Step 6: Final answer
   x = 579,241.72