Finding the Fourth Proportional to 904,616,485.68, 1,357,002,892.89 and 249,567,511.91

Step by Step Solution

1. Step 1: Write the proportion equation
   904,616,485.68 : 1,357,002,892.89 = 249,567,511.91 : x
2. Step 2: Convert to fraction form
   904,616,485.68/1,357,002,892.89 = 249,567,511.91/x
3. Step 3: Cross multiply
   904,616,485.68x = 1,357,002,892.89 × 249,567,511.91
4. Step 4: Simplify right side
   904,616,485.68x = 338,663,835,635,998,144
5. Step 5: Solve for x
   x = 338,663,835,635,998,144/904,616,485.68
6. Step 6: Final answer
   x = 374,372,832.02