Finding the Fourth Proportional to 108,870,494.88, 163,406,934 and 55,056,427.68

Step by Step Solution

1. Step 1: Write the proportion equation
   108,870,494.88 : 163,406,934 = 55,056,427.68 : x
2. Step 2: Convert to fraction form
   108,870,494.88/163,406,934 = 55,056,427.68/x
3. Step 3: Cross multiply
   108,870,494.88x = 163,406,934 × 55,056,427.68
4. Step 4: Simplify right side
   108,870,494.88x = 8,996,602,044,181,533
5. Step 5: Solve for x
   x = 8,996,602,044,181,533/108,870,494.88
6. Step 6: Final answer
   x = 82,635,814.73