Finding the Fourth Proportional to 1,903,645.72, 2,627,113.50 and 1,139,551.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,903,645.72 : 2,627,113.50 = 1,139,551.48 : x
2. Step 2: Convert to fraction form
   1,903,645.72/2,627,113.50 = 1,139,551.48/x
3. Step 3: Cross multiply
   1,903,645.72x = 2,627,113.50 × 1,139,551.48
4. Step 4: Simplify right side
   1,903,645.72x = 2,993,731,077,052.98
5. Step 5: Solve for x
   x = 2,993,731,077,052.98/1,903,645.72
6. Step 6: Final answer
   x = 1,572,630.37