Finding the Fourth Proportional to 2,018,397.30, 3,029,345.15 and 1,059,530.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018,397.30 : 3,029,345.15 = 1,059,530.78 : x
2. Step 2: Convert to fraction form
   2,018,397.30/3,029,345.15 = 1,059,530.78/x
3. Step 3: Cross multiply
   2,018,397.30x = 3,029,345.15 × 1,059,530.78
4. Step 4: Simplify right side
   2,018,397.30x = 3,209,684,409,224.34
5. Step 5: Solve for x
   x = 3,209,684,409,224.34/2,018,397.30
6. Step 6: Final answer
   x = 1,590,214.38