Finding the Fourth Proportional to 99,870,102.18, 149,805,153.27 and 28,066,518.18

Step by Step Solution

1. Step 1: Write the proportion equation
   99,870,102.18 : 149,805,153.27 = 28,066,518.18 : x
2. Step 2: Convert to fraction form
   99,870,102.18/149,805,153.27 = 28,066,518.18/x
3. Step 3: Cross multiply
   99,870,102.18x = 149,805,153.27 × 28,066,518.18
4. Step 4: Simplify right side
   99,870,102.18x = 4,204,509,057,710,141.50
5. Step 5: Solve for x
   x = 4,204,509,057,710,141.50/99,870,102.18
6. Step 6: Final answer
   x = 42,099,777.27