Finding the Fourth Proportional to 2,074,455,538.61, 3,111,688,622.32 and 847,623,990.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074,455,538.61 : 3,111,688,622.32 = 847,623,990.11 : x
2. Step 2: Convert to fraction form
   2,074,455,538.61/3,111,688,622.32 = 847,623,990.11/x
3. Step 3: Cross multiply
   2,074,455,538.61x = 3,111,688,622.32 × 847,623,990.11
4. Step 4: Simplify right side
   2,074,455,538.61x = 2,637,541,926,013,089,792
5. Step 5: Solve for x
   x = 2,637,541,926,013,089,792/2,074,455,538.61
6. Step 6: Final answer
   x = 1,271,438,156.63