Finding the Fourth Proportional to 1,917,530.72, 2,875,362.96 and 1,019,402.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,917,530.72 : 2,875,362.96 = 1,019,402.72 : x
2. Step 2: Convert to fraction form
   1,917,530.72/2,875,362.96 = 1,019,402.72/x
3. Step 3: Cross multiply
   1,917,530.72x = 2,875,362.96 × 1,019,402.72
4. Step 4: Simplify right side
   1,917,530.72x = 2,931,152,822,411.25
5. Step 5: Solve for x
   x = 2,931,152,822,411.25/1,917,530.72
6. Step 6: Final answer
   x = 1,528,608.01