Finding the Fourth Proportional to 152,877,474, 210,970,914.12 and 84,199,842

Step by Step Solution

1. Step 1: Write the proportion equation
   152,877,474 : 210,970,914.12 = 84,199,842 : x
2. Step 2: Convert to fraction form
   152,877,474/210,970,914.12 = 84,199,842/x
3. Step 3: Cross multiply
   152,877,474x = 210,970,914.12 × 84,199,842
4. Step 4: Simplify right side
   152,877,474x = 17,763,717,635,499,570
5. Step 5: Solve for x
   x = 17,763,717,635,499,570/152,877,474
6. Step 6: Final answer
   x = 116,195,781.96