Finding the Fourth Proportional to 1,007,294,030.72, 1,390,071,276.58 and 584,158,569.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,294,030.72 : 1,390,071,276.58 = 584,158,569.62 : x
2. Step 2: Convert to fraction form
   1,007,294,030.72/1,390,071,276.58 = 584,158,569.62/x
3. Step 3: Cross multiply
   1,007,294,030.72x = 1,390,071,276.58 × 584,158,569.62
4. Step 4: Simplify right side
   1,007,294,030.72x = 812,022,048,596,820,224
5. Step 5: Solve for x
   x = 812,022,048,596,820,224/1,007,294,030.72
6. Step 6: Final answer
   x = 806,142,023.91