Finding the Fourth Proportional to 1,012,440,564.30, 1,517,843,587.86 and 930,719,061.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,440,564.30 : 1,517,843,587.86 = 930,719,061.12 : x
2. Step 2: Convert to fraction form
   1,012,440,564.30/1,517,843,587.86 = 930,719,061.12/x
3. Step 3: Cross multiply
   1,012,440,564.30x = 1,517,843,587.86 × 930,719,061.12
4. Step 4: Simplify right side
   1,012,440,564.30x = 1,412,685,959,020,071,424
5. Step 5: Solve for x
   x = 1,412,685,959,020,071,424/1,012,440,564.30
6. Step 6: Final answer
   x = 1,395,327,300.02