Finding the Fourth Proportional to 1,105,181,643.42, 1,525,142,771.46 and 603,390,410.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,181,643.42 : 1,525,142,771.46 = 603,390,410.64 : x
2. Step 2: Convert to fraction form
   1,105,181,643.42/1,525,142,771.46 = 603,390,410.64/x
3. Step 3: Cross multiply
   1,105,181,643.42x = 1,525,142,771.46 × 603,390,410.64
4. Step 4: Simplify right side
   1,105,181,643.42x = 920,256,523,155,877,120
5. Step 5: Solve for x
   x = 920,256,523,155,877,120/1,105,181,643.42
6. Step 6: Final answer
   x = 832,674,455.49