Finding the Fourth Proportional to 155,654,225.82, 214,802,878.71 and 85,090,142.94

Step by Step Solution

1. Step 1: Write the proportion equation
   155,654,225.82 : 214,802,878.71 = 85,090,142.94 : x
2. Step 2: Convert to fraction form
   155,654,225.82/214,802,878.71 = 85,090,142.94/x
3. Step 3: Cross multiply
   155,654,225.82x = 214,802,878.71 × 85,090,142.94
4. Step 4: Simplify right side
   155,654,225.82x = 18,277,607,653,357,384
5. Step 5: Solve for x
   x = 18,277,607,653,357,384/155,654,225.82
6. Step 6: Final answer
   x = 117,424,422.99