Finding the Fourth Proportional to 773,602,897.98, 1,160,404,706.31 and 248,971,926.21

Step by Step Solution

1. Step 1: Write the proportion equation
   773,602,897.98 : 1,160,404,706.31 = 248,971,926.21 : x
2. Step 2: Convert to fraction form
   773,602,897.98/1,160,404,706.31 = 248,971,926.21/x
3. Step 3: Cross multiply
   773,602,897.98x = 1,160,404,706.31 × 248,971,926.21
4. Step 4: Simplify right side
   773,602,897.98x = 288,908,194,913,150,016
5. Step 5: Solve for x
   x = 288,908,194,913,150,016/773,602,897.98
6. Step 6: Final answer
   x = 373,458,004.96