Finding the Fourth Proportional to 151,311,987.05, 208,804,090.50 and 84,327,380.84

Step by Step Solution

1. Step 1: Write the proportion equation
   151,311,987.05 : 208,804,090.50 = 84,327,380.84 : x
2. Step 2: Convert to fraction form
   151,311,987.05/208,804,090.50 = 84,327,380.84/x
3. Step 3: Cross multiply
   151,311,987.05x = 208,804,090.50 × 84,327,380.84
4. Step 4: Simplify right side
   151,311,987.05x = 17,607,902,059,499,304
5. Step 5: Solve for x
   x = 17,607,902,059,499,304/151,311,987.05
6. Step 6: Final answer
   x = 116,368,190.01