Finding the Fourth Proportional to 1,672,215.32, 2,307,687.56 and 947,213.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672,215.32 : 2,307,687.56 = 947,213.59 : x
2. Step 2: Convert to fraction form
   1,672,215.32/2,307,687.56 = 947,213.59/x
3. Step 3: Cross multiply
   1,672,215.32x = 2,307,687.56 × 947,213.59
4. Step 4: Simplify right side
   1,672,215.32x = 2,185,873,018,305.94
5. Step 5: Solve for x
   x = 2,185,873,018,305.94/1,672,215.32
6. Step 6: Final answer
   x = 1,307,171.98