Finding the Fourth Proportional to 134,868,164.59, 186,118,064.83 and 72,988,503.15

Step by Step Solution

1. Step 1: Write the proportion equation
   134,868,164.59 : 186,118,064.83 = 72,988,503.15 : x
2. Step 2: Convert to fraction form
   134,868,164.59/186,118,064.83 = 72,988,503.15/x
3. Step 3: Cross multiply
   134,868,164.59x = 186,118,064.83 × 72,988,503.15
4. Step 4: Simplify right side
   134,868,164.59x = 13,584,478,961,116,362
5. Step 5: Solve for x
   x = 13,584,478,961,116,362/134,868,164.59
6. Step 6: Final answer
   x = 100,724,133.10