Finding the Fourth Proportional to 210,410,234.89, 290,375,091.59 and 117,590,740.00

Step by Step Solution

1. Step 1: Write the proportion equation
   210,410,234.89 : 290,375,091.59 = 117,590,740.00 : x
2. Step 2: Convert to fraction form
   210,410,234.89/290,375,091.59 = 117,590,740.00/x
3. Step 3: Cross multiply
   210,410,234.89x = 290,375,091.59 × 117,590,740.00
4. Step 4: Simplify right side
   210,410,234.89x = 34,145,421,896,321,984
5. Step 5: Solve for x
   x = 34,145,421,896,321,984/210,410,234.89
6. Step 6: Final answer
   x = 162,280,232.78