Finding the Fourth Proportional to 139,914,718.43, 209,864,507.33 and 42,870,707.01

Step by Step Solution

1. Step 1: Write the proportion equation
   139,914,718.43 : 209,864,507.33 = 42,870,707.01 : x
2. Step 2: Convert to fraction form
   139,914,718.43/209,864,507.33 = 42,870,707.01/x
3. Step 3: Cross multiply
   139,914,718.43x = 209,864,507.33 × 42,870,707.01
4. Step 4: Simplify right side
   139,914,718.43x = 8,997,039,806,179,506
5. Step 5: Solve for x
   x = 8,997,039,806,179,506/139,914,718.43
6. Step 6: Final answer
   x = 64,303,740.93