Finding the Fourth Proportional to 147,521,904.27, 203,606,875.83 and 87,987,016.63

Step by Step Solution

1. Step 1: Write the proportion equation
   147,521,904.27 : 203,606,875.83 = 87,987,016.63 : x
2. Step 2: Convert to fraction form
   147,521,904.27/203,606,875.83 = 87,987,016.63/x
3. Step 3: Cross multiply
   147,521,904.27x = 203,606,875.83 × 87,987,016.63
4. Step 4: Simplify right side
   147,521,904.27x = 17,914,761,569,636,556
5. Step 5: Solve for x
   x = 17,914,761,569,636,556/147,521,904.27
6. Step 6: Final answer
   x = 121,437,976.67