Finding the Fourth Proportional to 672,086.08, 927,412.50 and 400,071.88

Step by Step Solution

1. Step 1: Write the proportion equation
   672,086.08 : 927,412.50 = 400,071.88 : x
2. Step 2: Convert to fraction form
   672,086.08/927,412.50 = 400,071.88/x
3. Step 3: Cross multiply
   672,086.08x = 927,412.50 × 400,071.88
4. Step 4: Simplify right side
   672,086.08x = 371,031,662,410.50
5. Step 5: Solve for x
   x = 371,031,662,410.50/672,086.08
6. Step 6: Final answer
   x = 552,059.73