Finding the Fourth Proportional to 71,608,467.68, 98,831,536.80 and 42,246,978.56

Step by Step Solution

1. Step 1: Write the proportion equation
   71,608,467.68 : 98,831,536.80 = 42,246,978.56 : x
2. Step 2: Convert to fraction form
   71,608,467.68/98,831,536.80 = 42,246,978.56/x
3. Step 3: Cross multiply
   71,608,467.68x = 98,831,536.80 × 42,246,978.56
4. Step 4: Simplify right side
   71,608,467.68x = 4,175,333,816,241,451
5. Step 5: Solve for x
   x = 4,175,333,816,241,451/71,608,467.68
6. Step 6: Final answer
   x = 58,307,822.41