Finding the Fourth Proportional to 141,158,098.53, 194,789,636.51 and 78,432,051.69

Step by Step Solution

1. Step 1: Write the proportion equation
   141,158,098.53 : 194,789,636.51 = 78,432,051.69 : x
2. Step 2: Convert to fraction form
   141,158,098.53/194,789,636.51 = 78,432,051.69/x
3. Step 3: Cross multiply
   141,158,098.53x = 194,789,636.51 × 78,432,051.69
4. Step 4: Simplify right side
   141,158,098.53x = 15,277,750,839,766,930
5. Step 5: Solve for x
   x = 15,277,750,839,766,930/141,158,098.53
6. Step 6: Final answer
   x = 108,231,486.53