Finding the Fourth Proportional to 405,009,020.01, 607,509,101.31 and 98,301,132.89

Step by Step Solution

1. Step 1: Write the proportion equation
   405,009,020.01 : 607,509,101.31 = 98,301,132.89 : x
2. Step 2: Convert to fraction form
   405,009,020.01/607,509,101.31 = 98,301,132.89/x
3. Step 3: Cross multiply
   405,009,020.01x = 607,509,101.31 × 98,301,132.89
4. Step 4: Simplify right side
   405,009,020.01x = 59,718,832,896,721,232
5. Step 5: Solve for x
   x = 59,718,832,896,721,232/405,009,020.01
6. Step 6: Final answer
   x = 147,450,624.42