Finding the Fourth Proportional to 155,343,841.30, 233,165,061.15 and 78,753,351.70

Step by Step Solution

1. Step 1: Write the proportion equation
   155,343,841.30 : 233,165,061.15 = 78,753,351.70 : x
2. Step 2: Convert to fraction form
   155,343,841.30/233,165,061.15 = 78,753,351.70/x
3. Step 3: Cross multiply
   155,343,841.30x = 233,165,061.15 × 78,753,351.70
4. Step 4: Simplify right side
   155,343,841.30x = 18,362,530,064,897,956
5. Step 5: Solve for x
   x = 18,362,530,064,897,956/155,343,841.30
6. Step 6: Final answer
   x = 118,205,716.50